Fix bug in attribute value highlighting

Any newlines within strings are now properly catered for.

Fixes #3.

Rust.xcodeproj/project.pbxproj

@@ -49,7 +49,6 @@
 			name = Rust;
 			productInstallPath = "$(HOME)/Library/Bundles";
 			productName = "Hello World";
-			productReference = B57F6C2519FD60C000FDB959 /* Rust.bblm */;
 			productType = "com.apple.product-type.bundle";
 		};
 /* End PBXNativeTarget section */
@@ -100,7 +99,7 @@
 				OTHER_CFLAGS = "";
 				PRODUCT_NAME = Rust;
 				SCAN_ALL_SOURCE_FILES_FOR_INCLUDES = YES;
-				SDKROOT = macosx10.10;
+				SDKROOT = macosx;
 				USER_HEADER_SEARCH_PATHS = "/Volumes/BBEdit\\ SDK/Interfaces/Language\\ Modules/";
 				WRAPPER_EXTENSION = bblm;
 			};
@@ -117,7 +116,7 @@
 				OTHER_CFLAGS = "";
 				PRODUCT_NAME = Rust;
 				SCAN_ALL_SOURCE_FILES_FOR_INCLUDES = YES;
-				SDKROOT = macosx10.10;
+				SDKROOT = macosx;
 				USER_HEADER_SEARCH_PATHS = "/Volumes/BBEdit\\ SDK/Interfaces/Language\\ Modules/";
 				WRAPPER_EXTENSION = bblm;
 			};

rust.mm

@@ -206,6 +206,12 @@ SInt32 skipAttribute(BBLMTextIterator &iter)
             length++;
             break;
         }
+        else if (ch == '"')
+        {
+            // We only want to skip newlines in attributes if they're within a string.
+            iter--;
+            length += skipString(iter);
+        }
         else if (ch == '\n' || ch == '\r')
         {
             break;

smoke.rs

@@ -113,6 +113,12 @@
 
   #[macro_use] use this_is_not_an_attribute;
 
+  #[unfinished_attribute                      // not a comment
+  and this should be back to regular code.    // back to comments again
+
+  #[unfinished_attribute="but look \          // not a comment
+                          a string!"]         // back to comments again
+
 // Macros
 // ------